1 /*

     2  * Copyright (C) 2007 Apple Inc. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  *

     8  * 1.  Redistributions of source code must retain the above copyright

     9  *     notice, this list of conditions and the following disclaimer.

    10  * 2.  Redistributions in binary form must reproduce the above copyright

    11  *     notice, this list of conditions and the following disclaimer in the

    12  *     documentation and/or other materials provided with the distribution.

    13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of

    14  *     its contributors may be used to endorse or promote products derived

    15  *     from this software without specific prior written permission.

    16  *

    17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY

    18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

    19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

    20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY

    21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

    22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

    23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

    24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF

    26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    27  */

    28 

    29 #include "config.h"

    30 #include "GEN_DOMObject.h"

    31 

    32 #include "WebKitDLL.h"

    33 

    34 #include <wtf/Assertions.h>

    35 

    36 // DOMObject ------------------------------------------------------------

    37 

    38 GEN_DOMObject::GEN_DOMObject()

    39     : m_refCount(0)

    40 {

    41     gClassCount++;

    42     gClassNameCount.add("GEN_DOMObject");

    43 }

    44 

    45 GEN_DOMObject::~GEN_DOMObject()

    46 {

    47     gClassCount--;

    48     gClassNameCount.remove("GEN_DOMObject");

    49 }

    50 

    51 // IUnknown -------------------------------------------------------------------

    52 

    53 HRESULT STDMETHODCALLTYPE GEN_DOMObject::QueryInterface(REFIID riid, void** ppvObject)

    54 {

    55     *ppvObject = 0;

    56     if (IsEqualGUID(riid, IID_IUnknown))

    57         *ppvObject = static_cast<IGEN_DOMObject*>(this);

    58     else if (IsEqualGUID(riid, IID_IGEN_DOMObject))

    59         *ppvObject = static_cast<GEN_DOMObject*>(this);

    60     else

    61         return E_NOINTERFACE;

    62 

    63     AddRef();

    64     return S_OK;

    65 }

    66 

    67 ULONG STDMETHODCALLTYPE GEN_DOMObject::AddRef()

    68 {

    69     return ++m_refCount;

    70 }

    71 

    72 ULONG STDMETHODCALLTYPE GEN_DOMObject::Release()

    73 {

    74     ULONG newRef = --m_refCount;

    75     if (!newRef)

    76         delete this;

    77 

    78     return newRef;

    79 }